Hundreds of Sri Lankans prayed outside the bombed St Anthony's Church in Colombo on Tuesday to mark one month since the Easter Sunday attacks.
The special service was held even as the church, first built in 1740, was being restored following the bombing.
The anniversary also coincided with the partial reopening of Catholic schools after an extended Easter holiday.
The country's army chief said security forces would ensure schools were not targeted by the IS terror groups.
Bomb threats on flights cause disruption in Europe, no devices found
At least seven flights in Europe received bomb threats on Tuesday, causing disruption at airports although no devices were discovered.
Greenland parliament ratifies security deal agreed with Trump
Greenland's parliament on Tuesday ratified the Arctic island's security agreement struck earlier this year with US President Donald Trump, although some opposition party members questioned the deal's economic value.
US carries out 'defensive' strikes on Iran's Qeshm Island, officials say
The United States has carried out strikes on Iran's Qeshm Island in the Strait of Hormuz, a US official said on Monday.
Kenya discharges five Ebola patients, no new cases reported
Kenya on Tuesday discharged five Ebola patients from hospital after laboratory tests confirmed they had cleared the virus.
Bomb threats reported on two passenger planes to Warsaw, both land
A passenger plane from London made an unscheduled landing at Warsaw-Modlin airport in Poland after a bomb threat alert on Tuesday, forcing the airport to close, and another plane from Copenhagen was being checked at Warsaw-Chopin airport.
